Specifications - Extech Instruments 42525A User Manual

Specifications

General Specifications
Display
Sample rate
Over range indication
Laser pointer
Max/Min Recording
Data output
Operating Temperature
Operating Humidity
Power Supply
Battery Life
Weight
Dimensions
Infrared Thermometer Specifications
Range / Resolution
Accuracy
Accuracy notes
Emissivity adjust
Distance Factor
Wavelength
Type K Thermocouple Specifications
Range / Resolution
Accuracy
Accuracy note
Sensor type
0.4" (10mm) 5-digit LCD display
1 sec. approx.
Dashes are displayed when the reading exceeds specified limits
Laser power < 1mW (red)
Allows user to view only the MAX or MIN readings
RS-232c PC Interface for use with Windows
programs; Connection via 3.5mm phono jack on side of meter
32°F to 122°F (0°C to 50°C)
80% RH maximum
9V battery
Approx. 40 hours (20 hours with laser pointer ON)
0.6 lbs. / 265g
7.7 x 4.7 x 2.3" (195 x 120 x 58 mm)
o o
-4 to 752 F (-20 to 400 C)
o
± 3% of reading or ± 6 F (3
1. Accuracy specified for readings between -10 and 350
2. Accuracy specified for ambient temperature (23
3. Accuracy specified for an emissivity of 0.95
4. Accuracy tested using 2.25" diameter black body at a distance of 6"
5. Testing environment: RF field strength < 3 V/M and frequency < 30MHz
0.20 to 1.00 (factory default: 0.95)
D/S = Approx. 6:1 ratio (D = distance, S = spot)
6 to 14 m
µ
o
-148.0 to 2372.0 F (-100.0 to 1300.0
o
± (1% reading + 2 F); ± (1% reading + 1
Accuracy specified @ 23
Thermocouple characteristics are not reflected in the Accuracy specs.
Linearity correction stored in CPU
Type K (NiCr – NiAl) Thermocouple (sold separately); Connects to
thermocouple jack on side of meter
3
TM
based communications
o
0.1 C/F
o
C) whichever is greater
o
o o
C) 0.1 C/F
o
C)
o o
± 5 C
Model 42525A Version 4.0 5/05
o C
o
C ±5 C)